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�Bonestroo <br /> Mem o 0 Rosene <br /> Anderlik& <br /> �Associates <br /> Engineers 6 Architects <br /> Project Name: Abraham Residence, 2920 Fox Street Client: City of Orono <br /> To: Evelyn Turner, City Planner File No: 139-06-000 <br /> From: John Smyth, C.W.D., (651) 604-4708 Date: June 21, 2006 <br /> Re: Buffer Ordinance Compliance <br /> Remarks: <br /> Per Division 1. Sec. 78-1601 of the Wetland Protection Ordinance, the proposed construction on this lot <br /> trigger's the ordinance due to the following proposed work: <br /> o Disturbed property drains towards the wetland. <br /> o Grading exceeds 50 cubic yards. <br /> o Net increase in the square footage of impervious surface area. <br /> The following is a summary of the issues that exist with the current plan submitted to the City, and the <br /> requirements per the Wetland Protection Ordinance to be in compliance. <br /> 1. Currently some locations of the proposed slopes of the buffer adjacent to the wetland <br /> are approximately 1.5:1 to 2:1, which result in the buffer having reduced <br /> effectiveness to retain nutrients and sediments. The current design does not meet <br /> the requirements of Division 3. Buffer Areas. Sec 78-1605. (2). <br /> Requirement: A reconfiguration, reduction or slope modification to create slopes of <br /> 4:1 or flatter within the buffer. <br /> 2. Currently the plan shows grading within the buffer, and a portion of the buffer may be <br /> turf area, which is not acceptable per Sec. 78-1605 (1) Acceptable buffer areas. <br /> Requirement: A landscaping plan needs to be submitted to the city for the <br /> buffer area. It should meet the minimal standards provided in Division 3. Sec <br /> 78-1605 (3). <br /> 3. There are several area drains provided for the new impervious surface being created <br /> as part of the project. Depending on discharge locations this may not be in <br /> compliance with Division 5. Sec. 78-1608 of the Wetland Protection Ordinance. <br /> Requirement: The applicant should provide the location of the discharge points for <br /> the area drains so it can be determined if any additional treatment will be required. <br /> If there are any further questions regarding this memo, please contact John Smyth at(651) 604-4708. <br /> Bonestroo, Rosene,Anderlik and Associates, Inc. www.bonestroo.com <br /> �St.Paul Office: Milwaukee Office: -Rochester Office: -Willmar Office: _�St.Cloud Office: ' Grayslake Office: <br /> 2335 West Highway 36 1516 West Mequon Road 112 7`"Street NE 205 5th Street SW 3721 23rd Street S 888 East Belvidere Road <br /> St.Paul,MN 55113 Mequon,WI 53092 Rochester,MN 55906 Willmar,MN 56201 St.Cloud,MN 56301 Grayslake,IL 60030 <br /> Phone:651-636-4600 Phone:262-241-4466 Phone:507-282-2100 Phone:320-214-9557 Phone:320-251-4553 Phone:847-548-6774 <br /> Fax:651-636-1311 Fax:262-241-4901 Fax:507-282-3100 Fax:320-214-9458 Fax 320-251-6252 Fax:847-548-6979 <br />